%0 Journal Article %A S. I. Gaiduk %T Letter to the editors: ``A mathematical treatment of a certain problem of a longitudinal shock along a relaxing rod'' (Differencial'nye Uravnenija \textbf{12} (1976), no.~4, 668--685) %J Differencialʹnye uravneniâ %D 1977 %P 1730 %V 13 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1977_13_9_a22/ %G ru %F DE_1977_13_9_a22